ABB REF543KB127AAAARelay Module – Industrial Protection and Automation
The ABB REF543KB127AAAA is a protective relay module designed for power systems. It ensures reliable protection against faults and enhances system stability.
Manufacturer:ABB
Model:REF543KB127AAAA
Type:Relay Module
Application:Power System Protection
Protection Functions:Overcurrent, Earth Fault, Phase Unbalance
Rated Current:Up to 100A
Operating Voltage:24-240V AC/DC
Communication Interface:Modbus, Profibus
Dimensions:145 x 120 x 105mm
Weight:1.2kg
Certifications:CE, UL, IEC 61000-4-3
The ABB REF543KB127AAAARelay Module stands out for its ability to handle high current loads while ensuring safety and reliability in your industrial environment.
Its compact design makes it easy to install in tight spaces, and its robust construction ensures longevity under demanding conditions.
This module is perfect for use in power distribution systems, where it can effectively manage the flow of electricity, protecting your equipment from overloads and short circuits.
Designed with safety in mind, this relay meets all major international standards including CE, UL, and IEC 61000, ensuring compliance across different regions.
With its advanced features and durable build, the ABB REF543KB127AAAARelay Module is a top choice for any industrial control system requiring precise and reliable relay functionality.




















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